add -mpowerpc-gpopt to options for sqrt insn on PowerPC

[Alexandre Oliva]

This patch avoids an ICE in gimplefe-28.c, in our ppc64-vxworks7r2
tests.  Tested on x86_64-linux-gnu, and on the affected platform.  Ok to
install?


From: Eric Botcazou <ebotcazou@adacore.com>
for  gcc/testsuite/ChangeLog

	* lib/target-supports.exp (add_options_for_sqrt_insn): For
	PowerPC targets, add -mpowerpc-gpopt option.
---
 gcc/testsuite/lib/target-supports.exp |    3 +++
 1 file changed, 3 insertions(+)

diff --git a/gcc/testsuite/lib/target-supports.exp b/gcc/testsuite/lib/target-supports.exp
index af46c77921482..29faeeba67945 100644
--- a/gcc/testsuite/lib/target-supports.exp
+++ b/gcc/testsuite/lib/target-supports.exp
@@ -7598,6 +7598,9 @@ proc add_options_for_sqrt_insn { flags } {
     if { [istarget arm*-*-*] } {
 	return [add_options_for_arm_vfp "$flags"]
     }
+    if { [istarget powerpc*-*-*] } {
+	return "$flags -mpowerpc-gpopt"
+    }
     return $flags
 }
 


-- 
Alexandre Oliva, happy hacker  https://FSFLA.org/blogs/lxo/
   Free Software Activist         GNU Toolchain Engineer
        Vim, Vi, Voltei pro Emacs -- GNUlius Caesar